Jean Brefort- Make the GNOME office plugin compile with goffice-0.3.6+

Hubert Figuiere- Build fixes (OTS plugin, OSX autotools build, shush warnings).- Use std::string and std containers in many places instead of homegrown stuff.- Possibly fix bug 10791- Fix several warnings in the code- Don't use const_cast<> but rather use a const_iterator, and other C++ STL released cleanups

Marc Maurer- Fix an some asserts and Glib CRITICAL's in the collaboration plugin- Make the collaboration backends optional, and fix some crashes when no backend is configured at all- Beginnings of a plain TCP backend for the collaboration plugin (unfinished, does not work yet)- Fix bug 10792 - AbiWord does not build with automake 1.10

Martin Sevior- Wrap "insert table" widget.- Implement 6 new signals for text and image selections.- Implement a new widget method to return the mouse position.- New mthods needed for abiwidget to return mouse position and get the current context.- Fix 10796, Crash when inserting a table sum field.- Fix dragging of vertical table lines when using abiwidget in OLPC mode.- Table support for the abiwidget.